The new number, 200, is 400 less than the original number. What is the approximate percent change? 
        
             
        
        
        
The answer for this question is: Appalachian
The Appalachian region has the perfect temperature that allows many type of vegetations to grow.
Not only that, the soil in this region also contained a lot of substances that are very nutritious for plants and could very much help in their growing development.
        
                    
             
        
        
        
What does a orphan call a family photo?
A selfie
        
                    
             
        
        
        
Answer:True 
Explanation:
Cap and trade system is a system which is used to minimize the releases of pollution to the atmosphere
The cap part of this system is the one which focuses on minimizing pollution effect from the green house gases 
The trade part is the one which monitors how companies buy and sell the rights to emit only a minor amount , trade helps companies finds ways to cut emission in cost effective ways.
Caps defines penalities that apply when one violates emission rules.
 
        
             
        
        
        
C) Textiles industry was the first mechanized industry.